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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 library dart2js.diagnostics.spannable; | 5 library dart2js.diagnostics.spannable; |
6 | 6 |
7 /** | 7 /** |
8 * Tagging interface for classes from which source spans can be generated. | 8 * Tagging interface for classes from which source spans can be generated. |
9 */ | 9 */ |
10 // TODO(johnniwinther): Find a better name. | 10 // TODO(johnniwinther): Find a better name. |
(...skipping 10 matching lines...) Expand all Loading... |
21 | 21 |
22 /// Sentinel spannable used to mark that diagnostics should point to the | 22 /// Sentinel spannable used to mark that diagnostics should point to the |
23 /// current element. Note that the diagnostic reporting will fail if the current | 23 /// current element. Note that the diagnostic reporting will fail if the current |
24 /// element is `null`. | 24 /// element is `null`. |
25 const Spannable CURRENT_ELEMENT_SPANNABLE = | 25 const Spannable CURRENT_ELEMENT_SPANNABLE = |
26 const _SpannableSentinel("Current element"); | 26 const _SpannableSentinel("Current element"); |
27 | 27 |
28 /// Sentinel spannable used to mark that there might be no location for the | 28 /// Sentinel spannable used to mark that there might be no location for the |
29 /// diagnostic. Use this only when it is not an error not to have a current | 29 /// diagnostic. Use this only when it is not an error not to have a current |
30 /// element. | 30 /// element. |
31 const Spannable NO_LOCATION_SPANNABLE = | 31 const Spannable NO_LOCATION_SPANNABLE = const _SpannableSentinel("No location"); |
32 const _SpannableSentinel("No location"); | |
33 | 32 |
34 class SpannableAssertionFailure { | 33 class SpannableAssertionFailure { |
35 final Spannable node; | 34 final Spannable node; |
36 final String message; | 35 final String message; |
37 SpannableAssertionFailure(this.node, this.message); | 36 SpannableAssertionFailure(this.node, this.message); |
38 | 37 |
39 String toString() => 'Assertion failure' | 38 String toString() => 'Assertion failure' |
40 '${message != null ? ': $message' : ''}'; | 39 '${message != null ? ': $message' : ''}'; |
41 } | 40 } |
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